Abstract: A roof ventilation apparatus or cover comprising a vent base having an opening formed therethrough, a vent cap attached to the vent base and at least partially covering the opening of the vent base, and a flexible base attached to the vent base and/or the vent cap. The flexible base may be in covering relationship to an outer periphery of the vent base or the vent cap. Furthermore, the flexible base may be configured to be molded to corrugations of a metal roof and secured thereto. The roof ventilation apparatus may be used in a method of replacing composite or wood shake roof shingles on a roof with metal roof panels and at least one vent opening in a sloped portion of the roof spaced away from a ridge line of the roof.